From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Tue, 18 Jul 2023 14:22:06 +0800
Subject: [PATCH] Cache world generator sea level

This patch is Powered by Gale(https://github.com/GaleMC/Gale)

diff --git a/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java b/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
index 68be0d51aa64b5d917fb53dbbbdf8966d4f4abd8..4adac668fb3d02ed43a89da446a71503d0380c73 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
@@ -61,12 +61,17 @@ public final class NoiseBasedChunkGenerator extends ChunkGenerator {
     private static final BlockState AIR = Blocks.AIR.defaultBlockState();
     public final Holder<NoiseGeneratorSettings> settings;
     private final Supplier<Aquifer.FluidPicker> globalFluidPicker;
+    private int cachedSeaLevel; // Leaves - cache world generator sea level
 
     public NoiseBasedChunkGenerator(BiomeSource biomeSource, Holder<NoiseGeneratorSettings> settings) {
         super(biomeSource);
         this.settings = settings;
         this.globalFluidPicker = Suppliers.memoize(() -> {
-            return NoiseBasedChunkGenerator.createFluidPicker((NoiseGeneratorSettings) settings.value());
+            // Leaves start - cache world generator sea level
+            var fluidPicker = NoiseBasedChunkGenerator.createFluidPicker((NoiseGeneratorSettings) settings.value());
+            this.cachedSeaLevel = settings.value().seaLevel();
+            return fluidPicker;
+            // Leaves end - cache world generator sea level
         });
     }
 
@@ -409,7 +414,13 @@ public final class NoiseBasedChunkGenerator extends ChunkGenerator {
 
     @Override
     public int getSeaLevel() {
-        return ((NoiseGeneratorSettings) this.settings.value()).seaLevel();
+        // Leaves start - cache world generator sea level
+        if (!org.leavesmc.leaves.LeavesConfig.cacheWorldGeneratorSeaLevel) {
+            return ((NoiseGeneratorSettings) this.settings.value()).seaLevel();
+        } else {
+            return cachedSeaLevel;
+        }
+        // Leaves end - cache world generator sea level
     }
 
     @Override